Headline

AI-Augmented Senior Frontend Engineer | Leading Ads Engineering @ Groupon (SDE 3) | 11 Years in eCommerce & SaaS | Performance & Scalability Specialist

About

I am an AI-augmented strategic engineering leader with 11 years of experience driving growth and shipping revenue-critical platforms, and raising the bar on quality and execution across high-scale eCommerce and SaaS platforms. At Groupon, I architected ad systems for 1M DAU, delivering an 11X performance leap and a 310% revenue surge. My "superpower" is modernizing mission-critical legacy architectures and navigating migrations without business disruption. An award-winning mentor and AI-augmented frontend developer, I’ve reduced delivery cycles from average 72 man-hours to 16 man-hours and slashed infrastructure costs by 81%. I scale both high-performance systems and engineering cultures.

Location

Bengaluru

AI stack

claude code

claude

cursor

gemini

mcp

notebooklm

Work experience

Software Development Engineer III at Groupon, Jan 2024 - Present · 2 yrs 8 mos, Bengaluru, Karnataka, India, • Leading the Ads Engineering space at Groupon. Owning frontend architecture, technical decision-making, execution strategy, and cross-team coordination, while contributing to system design initiatives and roadmap planning • Designing and developing scalable, high-performance ad platforms using Next.js, TypeScript, JavaScript, Tailwind CSS, and Google Tag Manager (GTM) • Developed 25+ AI agents and Claude Skills to automate functional, cross-functional and company-wise initiatives, improving developer productivity and reducing delivery timelines from 72 man-hours to 16 man-hours • Architected and implemented Core Web Vitals optimization strategies, delivering 11X improvements in UI performance, including LCP, CLS, TBT, and INP • Drove 310% revenue growth of third-party ads by optimizing ad rendering techniques, layout stability, lazy loading, and viewability metrics • Established and led cross-functional collaboration initiatives across Engineering, Product, Ad Operations, and external partners, reducing delivery blockers from 40 man-hours to 6 man-hours for a quarter-long project

Software Development Engineer 3 at Hiver, Jun 2021 - Dec 2023 · 2 yrs 7 mos, Bengaluru, Karnataka, India, • Led team execution and delivery, mentoring a team of 4 engineers while fostering collaboration, technical ownership, and strong delivery accountability • Owned end-to-end delivery of 5+ projects, from spanning ideation and system design to development, release, and post-launch stabilization • Played a key role in transforming the product into a multi-channel SaaS platform by introducing chat, WhatsApp, and calling capabilities, and redesigning the frontend architecture for multi-channel scalability • Championed initiatives to improve platform resilience, scalability, and developer efficiency, aligning solutions with long-term growth objectives • Optimized infrastructure usage, reduced monthly CDN costs from $20K to $3.8K • Drove frontend modernization through technology migrations and the creation of a custom design system, improving consistency, scalability, and development velocity • Mentored frontend engineers through code reviews, design discussions, and best practices, improving code quality and technical ownership • Partnered closely with product and business stakeholders to ensure on-time, high-quality releases, contributing to product specifications, milestone planning, and design/code reviews

UI Engineer 2 at MoEngage Inc., Apr 2019 - Jun 2021 · 2 yrs 3 mos, Greater Bengaluru Area, • Owned UI development and execution for a high-value, business-critical product, ensuring quality, performance, and alignment with product requirements • Developed and enhanced frontend features, collaborating closely with senior engineers and product stakeholders to deliver business-prioritized functionality • Executed refactoring and performance optimization efforts, improving code quality, maintainability, and user experience • Contributed to the frontend technology migration from AngularJS to React, supporting a phased transition while maintaining uninterrupted delivery of business-critical features

Frontend Developer at Happay - Expense Management Solution for Businesses, Feb 2018 - Apr 2019 · 1 yr 3 mos, Bengaluru, Karnataka, India, • Developed a new product from scratch, contributing to architecture, feature development, and release readiness • Focused on frontend performance optimization and scalability across multiple products • Collaborated with design and business teams to improve user experience, define requirements, and execute POCs for product improvements

Technical Associate at PolicyBazaar.com, May 2017 - Feb 2018 · 10 mos, Gurgaon, India, • Contributed to frontend technology migration from AngularJS to React, supporting a smooth and incremental transition • Developed new frontend features aligned with product and business requirements • Refactored and optimized the existing codebase to improve performance, maintainability, and stability

Software Developer at Knowcross, Jun 2015 - Apr 2017 · 1 y 10 mo, New Delhi, • Contributed to frontend technology migration from Silverlight to HTML5, supporting modernization of legacy applications • Implemented new features and resolved bugs, improving functionality, stability, and user experience

Education

Bachelor of Technology (B.Tech.), Computer Science & Engineering, West Bengal University of Technology, Kolkata